./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-queue-add-3.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_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3 --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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:16:48,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:16:48,323 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:16:48,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:16:48,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:16:48,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:16:48,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:16:48,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:16:48,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:16:48,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:16:48,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:16:48,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:16:48,352 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:16:48,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:16:48,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:16:48,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:16:48,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:16:48,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:16:48,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:16:48,353 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:16:48,354 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:16:48,354 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:16:48,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:16:48,354 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:16:48,354 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:16:48,354 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:16:48,354 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:16:48,355 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:16:48,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:16:48,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:16:48,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:16:48,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:16:48,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:16:48,355 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:16:48,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:16:48,356 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_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3 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 -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2024-11-25 04:16:48,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:16:48,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:16:48,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:16:48,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:16:48,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:16:48,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2024-11-25 04:16:51,716 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/data/728a7d7fa/0872da46254748a2af44359ca883ebd7/FLAG1484875e2 [2024-11-25 04:16:52,055 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:16:52,056 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2024-11-25 04:16:52,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/data/728a7d7fa/0872da46254748a2af44359ca883ebd7/FLAG1484875e2 [2024-11-25 04:16:52,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/data/728a7d7fa/0872da46254748a2af44359ca883ebd7 [2024-11-25 04:16:52,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:16:52,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:16:52,317 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:16:52,317 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:16:52,323 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:16:52,324 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb2017b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52, skipping insertion in model container [2024-11-25 04:16:52,328 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:16:52,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:16:52,613 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:16:52,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:16:52,676 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:16:52,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52 WrapperNode [2024-11-25 04:16:52,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:16:52,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:16:52,678 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:16:52,678 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:16:52,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,727 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2024-11-25 04:16:52,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:16:52,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:16:52,730 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:16:52,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:16:52,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,741 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,745 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,764 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,775 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,780 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:16:52,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:16:52,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:16:52,785 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:16:52,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:16:52" (1/1) ... [2024-11-25 04:16:52,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:16:52,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:16:52,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:16:52,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:16:52,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:16:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 04:16:52,867 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 04:16:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 04:16:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 04:16:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 04:16:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 04:16:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:16:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:16:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:16:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:16:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 04:16:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 04:16:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:16:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:16:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:16:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:16:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:16:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:16:52,872 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:16:53,026 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:16:53,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:16:53,539 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:16:53,540 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:16:53,725 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 04:16:53,775 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~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:16:53,782 INFO L158 Benchmark]: Toolchain (without parser) took 1468.60ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 44.4MB in the end (delta: 48.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 04:16:53,787 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:16:53,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.02ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:16:53,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.84ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:16:53,789 INFO L158 Benchmark]: Boogie Preprocessor took 54.70ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:16:53,789 INFO L158 Benchmark]: RCFGBuilder took 995.18ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 44.4MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:16:53,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.02ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.2MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.84ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.70ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 995.18ms. Allocated memory is still 117.4MB. Free memory was 77.6MB in the beginning and 44.4MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: havoc #t~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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~mem4;#t~post5 := ~q1_back~0;assume 1 + #t~post5 >= -2147483648;assume 1 + #t~post5 <= 2147483647;~q1_back~0 := 1 + #t~post5;havoc #t~post5;). 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. [2024-11-25 04:16:53,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/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_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3 --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 d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:16:56,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:16:56,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 04:16:56,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:16:56,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:16:56,744 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:16:56,745 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:16:56,745 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:16:56,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:16:56,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:16:56,745 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:16:56,745 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:16:56,745 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:16:56,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:16:56,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:16:56,746 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:16:56,746 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:16:56,746 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:16:56,746 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:16:56,746 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:16:56,746 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:16:56,746 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:16:56,747 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:16:56,747 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:16:56,747 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:16:56,747 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:16:56,747 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:16:56,747 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:16:56,747 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:56,747 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:16:56,748 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:16:56,748 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:16:56,748 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:16:56,748 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:16:56,748 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:16:56,748 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:16:56,748 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:16:56,748 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:16:56,748 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_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3 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 -> d2c89f010e0f73e8ba7e81bb150b82b70d39c0827c0d616dd2c3347839d51e01 [2024-11-25 04:16:57,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:16:57,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:16:57,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:16:57,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:16:57,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:16:57,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2024-11-25 04:17:00,091 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/data/91aff1ffb/60039d6819a94ba2a4eb84f2e10fec8b/FLAG8a7d18fc9 [2024-11-25 04:17:00,319 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:17:00,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/sv-benchmarks/c/weaver/popl20-queue-add-3.wvr.c [2024-11-25 04:17:00,329 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/data/91aff1ffb/60039d6819a94ba2a4eb84f2e10fec8b/FLAG8a7d18fc9 [2024-11-25 04:17:00,344 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/data/91aff1ffb/60039d6819a94ba2a4eb84f2e10fec8b [2024-11-25 04:17:00,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:17:00,349 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:17:00,350 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:17:00,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:17:00,355 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:17:00,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd1754a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00, skipping insertion in model container [2024-11-25 04:17:00,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,383 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:17:00,638 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 04:17:00,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:17:00,659 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:17:00,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:17:00,735 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:17:00,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00 WrapperNode [2024-11-25 04:17:00,737 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:17:00,738 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:17:00,738 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:17:00,738 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:17:00,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,782 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-11-25 04:17:00,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:17:00,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:17:00,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:17:00,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:17:00,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,801 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,822 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,831 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:17:00,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:17:00,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:17:00,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:17:00,836 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:17:00" (1/1) ... [2024-11-25 04:17:00,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:17:00,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:17:00,881 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:17:00,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:17:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:17:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:17:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 04:17:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 04:17:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:17:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 04:17:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 04:17:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 04:17:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 04:17:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 04:17:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 04:17:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:17:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:17:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 04:17:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 04:17:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 04:17:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:17:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:17:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:17:00,921 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 04:17:01,093 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:17:01,096 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:17:01,714 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 04:17:01,714 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:17:01,975 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 04:17:02,011 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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 04:17:02,016 INFO L158 Benchmark]: Toolchain (without parser) took 1667.67ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 43.6MB in the end (delta: 16.8MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-11-25 04:17:02,017 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:17:02,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.53ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 47.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:17:02,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.99ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:17:02,023 INFO L158 Benchmark]: Boogie Preprocessor took 48.86ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:17:02,023 INFO L158 Benchmark]: RCFGBuilder took 1180.11ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 43.6MB in the end (delta: 405.5kB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2024-11-25 04:17:02,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory is still 64.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.53ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 47.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.99ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.86ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1180.11ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 43.6MB in the end (delta: 405.5kB). Peak memory consumption was 28.6MB. 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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). 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. [2024-11-25 04:17:02,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd76cae6-c23d-42d3-951c-892c77602884/bin/ukojak-verify-ENZ3QT5qd3/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~mem4;#t~post5 := ~q1_back~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post5)), 2147483647bv33);~q1_back~0 := ~bvadd~32(1bv32, #t~post5);havoc #t~post5;). Is there illegal control flow (e.g. loops) within an atomic block?