./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-commit-1.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_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/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_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/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_408a2db6-2d43-4b4e-b510-dc533d907bcb/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 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:35:39,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:35:39,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 22:35:39,898 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:35:39,898 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:35:39,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:35:39,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:35:39,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:35:39,920 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:35:39,920 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:35:39,920 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:35:39,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:35:39,922 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:35:39,922 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:35:39,922 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:35:39,922 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:35:39,922 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:35:39,922 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:35:39,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:35:39,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:35:39,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:35:39,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:35:39,922 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:35:39,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:35:39,923 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_408a2db6-2d43-4b4e-b510-dc533d907bcb/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 -> 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e [2024-12-05 22:35:40,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:35:40,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:35:40,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:35:40,175 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:35:40,175 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:35:40,177 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2024-12-05 22:35:42,889 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/data/34f58949a/3cea6af4abe44f90a33c5ad1a5f6ebc9/FLAGe26d62bcb [2024-12-05 22:35:43,082 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:35:43,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2024-12-05 22:35:43,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/data/34f58949a/3cea6af4abe44f90a33c5ad1a5f6ebc9/FLAGe26d62bcb [2024-12-05 22:35:43,107 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/data/34f58949a/3cea6af4abe44f90a33c5ad1a5f6ebc9 [2024-12-05 22:35:43,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:35:43,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:35:43,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:35:43,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:35:43,117 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:35:43,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35f9e34b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43, skipping insertion in model container [2024-12-05 22:35:43,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:35:43,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:35:43,323 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:35:43,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:35:43,365 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:35:43,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43 WrapperNode [2024-12-05 22:35:43,366 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:35:43,367 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:35:43,367 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:35:43,367 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:35:43,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,382 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,400 INFO L138 Inliner]: procedures = 24, calls = 54, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2024-12-05 22:35:43,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:35:43,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:35:43,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:35:43,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:35:43,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,409 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,411 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,420 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:35:43,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:35:43,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:35:43,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:35:43,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:43" (1/1) ... [2024-12-05 22:35:43,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:35:43,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:35:43,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:35:43,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:35:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:35:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 22:35:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 22:35:43,484 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 22:35:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 22:35:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 22:35:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 22:35:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:35:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:35:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:35:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:35:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 22:35:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 22:35:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 22:35:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 22:35:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:35:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:35:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:35:43,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:35:43,487 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 22:35:43,586 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:35:43,588 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:35:43,933 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 22:35:43,934 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:35:44,153 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-05 22:35:44,175 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~mem5;#t~post6 := ~node_back~0;assume 1 + #t~post6 >= -2147483648;assume 1 + #t~post6 <= 2147483647;~node_back~0 := 1 + #t~post6;havoc #t~post6;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:35:44,181 INFO L158 Benchmark]: Toolchain (without parser) took 1069.50ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 109.2MB in the end (delta: 8.1MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2024-12-05 22:35:44,181 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:44,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.30ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.3MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:35:44,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.58ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:35:44,182 INFO L158 Benchmark]: Boogie Preprocessor took 29.95ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:44,183 INFO L158 Benchmark]: RCFGBuilder took 747.66ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 109.2MB in the end (delta: -7.8MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-12-05 22:35:44,185 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.30ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.3MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.58ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.9MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.95ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 747.66ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 109.2MB in the end (delta: -7.8MB). Peak memory consumption was 55.8MB. 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~mem5;#t~post6 := ~node_back~0;assume 1 + #t~post6 >= -2147483648;assume 1 + #t~post6 <= 2147483647;~node_back~0 := 1 + #t~post6;havoc #t~post6;). 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~mem5;#t~post6 := ~node_back~0;assume 1 + #t~post6 >= -2147483648;assume 1 + #t~post6 <= 2147483647;~node_back~0 := 1 + #t~post6;havoc #t~post6;). 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. [2024-12-05 22:35:44,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/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_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/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_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/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_408a2db6-2d43-4b4e-b510-dc533d907bcb/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 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:35:46,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:35:46,212 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-12-05 22:35:46,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:35:46,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:35:46,239 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:35:46,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:35:46,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:35:46,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:35:46,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:35:46,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:35:46,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:35:46,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:35:46,241 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:35:46,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:35:46,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:35:46,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:35:46,241 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:35:46,241 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:46,241 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:35:46,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:35:46,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:35:46,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:35:46,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:35:46,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:35:46,242 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:35:46,242 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:35:46,242 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:35:46,242 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_408a2db6-2d43-4b4e-b510-dc533d907bcb/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 -> 73c55a951ef2b92a665c2c32d76e33a5a03bdbde67ee3c8e6748faf493088c7e [2024-12-05 22:35:46,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:35:46,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:35:46,495 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:35:46,496 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:35:46,496 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:35:46,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2024-12-05 22:35:49,145 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/data/b62e5d8b0/f0f1a57a2463474baacbee80b55b0fbb/FLAGf3d9c462c [2024-12-05 22:35:49,350 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:35:49,351 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/sv-benchmarks/c/weaver/popl20-commit-1.wvr.c [2024-12-05 22:35:49,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/data/b62e5d8b0/f0f1a57a2463474baacbee80b55b0fbb/FLAGf3d9c462c [2024-12-05 22:35:49,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/data/b62e5d8b0/f0f1a57a2463474baacbee80b55b0fbb [2024-12-05 22:35:49,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:35:49,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:35:49,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:35:49,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:35:49,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:35:49,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e743079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49, skipping insertion in model container [2024-12-05 22:35:49,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,733 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:35:49,872 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:35:49,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:35:49,885 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:35:49,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:35:49,925 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:35:49,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49 WrapperNode [2024-12-05 22:35:49,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:35:49,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:35:49,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:35:49,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:35:49,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,956 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-12-05 22:35:49,956 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:35:49,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:35:49,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:35:49,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:35:49,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,976 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,981 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,983 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,988 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:35:49,989 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:35:49,989 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:35:49,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:35:49,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:35:49" (1/1) ... [2024-12-05 22:35:49,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:35:50,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:35:50,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:35:50,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-12-05 22:35:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-12-05 22:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-05 22:35:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-05 22:35:50,038 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-05 22:35:50,038 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-05 22:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-05 22:35:50,039 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-05 22:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:35:50,039 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-12-05 22:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-12-05 22:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 22:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:35:50,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:35:50,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 22:35:50,040 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-05 22:35:50,124 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:35:50,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:35:50,517 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-05 22:35:50,517 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:35:50,716 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-12-05 22:35:50,741 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~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:35:50,745 INFO L158 Benchmark]: Toolchain (without parser) took 1030.76ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 62.8MB in the end (delta: 6.5MB). Peak memory consumption was 47.5MB. Max. memory is 16.1GB. [2024-12-05 22:35:50,746 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:50,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.59ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 55.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:35:50,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.73ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:50,747 INFO L158 Benchmark]: Boogie Preprocessor took 31.55ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 52.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:35:50,747 INFO L158 Benchmark]: RCFGBuilder took 755.74ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 62.8MB in the end (delta: -10.4MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2024-12-05 22:35:50,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.59ms. Allocated memory is still 92.3MB. Free memory was 69.1MB in the beginning and 55.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.73ms. Allocated memory is still 92.3MB. Free memory was 55.6MB in the beginning and 54.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.55ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 52.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 755.74ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 62.8MB in the end (delta: -10.4MB). 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~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). 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~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). 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. [2024-12-05 22:35:50,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408a2db6-2d43-4b4e-b510-dc533d907bcb/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~mem5;#t~post6 := ~node_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post6)), 2147483647bv33);~node_back~0 := ~bvadd~32(1bv32, #t~post6);havoc #t~post6;). Is there illegal control flow (e.g. loops) within an atomic block?