./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm --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 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:15:44,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:15:44,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:15:44,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:15:44,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:15:44,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:15:44,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:15:44,408 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:15:44,408 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:15:44,410 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:15:44,411 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:15:44,411 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:15:44,411 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:15:44,411 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:15:44,411 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:15:44,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:15:44,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:15:44,411 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:15:44,411 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:15:44,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:15:44,412 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:15:44,412 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:15:44,412 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:15:44,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:15:44,412 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:15:44,412 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:15:44,412 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:15:44,412 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:15:44,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:15:44,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:44,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:15:44,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:15:44,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:15:44,413 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:15:44,413 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:15:44,413 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_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm 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 -> 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 [2024-11-13 21:15:44,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:15:44,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:15:44,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:15:44,762 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:15:44,762 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:15:44,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c Unable to find full path for "g++" [2024-11-13 21:15:46,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:15:47,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:15:47,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2024-11-13 21:15:47,272 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/data/d50f536ae/2c444d71c05842c88e46df5f347561da/FLAGd14ab70e3 [2024-11-13 21:15:47,457 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/data/d50f536ae/2c444d71c05842c88e46df5f347561da [2024-11-13 21:15:47,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:15:47,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:15:47,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:47,464 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:15:47,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:15:47,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eee921b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47, skipping insertion in model container [2024-11-13 21:15:47,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:15:47,708 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:47,720 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:15:47,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:47,780 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:15:47,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47 WrapperNode [2024-11-13 21:15:47,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:47,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:47,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:15:47,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:15:47,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,832 INFO L138 Inliner]: procedures = 23, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-11-13 21:15:47,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:47,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:15:47,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:15:47,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:15:47,847 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:15:47,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:15:47,896 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:15:47,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:15:47,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:47" (1/1) ... [2024-11-13 21:15:47,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:47,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:15:47,948 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:15:47,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:15:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:15:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 21:15:47,989 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 21:15:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 21:15:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 21:15:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:15:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:15:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:15:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:15:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-13 21:15:47,991 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-13 21:15:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:15:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:15:47,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:15:47,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:15:47,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:15:47,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:15:47,995 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 21:15:48,125 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:15:48,128 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:15:48,659 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 21:15:48,659 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:15:48,875 WARN L1754 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-13 21:15:48,930 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: call #t~mem3 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_front~0, 4);~i~0 := #t~mem3;havoc #t~mem3;#t~post4 := ~q1_front~0;assume 1 + #t~post4 >= -2147483648;assume 1 + #t~post4 <= 2147483647;~q1_front~0 := 1 + #t~post4;havoc #t~post4;). 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:303) 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) [2024-11-13 21:15:48,937 INFO L158 Benchmark]: Toolchain (without parser) took 1474.13ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 47.9MB in the end (delta: 44.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-13 21:15:48,937 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:48,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.04ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:48,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.40ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.0MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:48,939 INFO L158 Benchmark]: Boogie Preprocessor took 55.73ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:48,940 INFO L158 Benchmark]: RCFGBuilder took 1041.68ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 47.9MB in the end (delta: 30.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:15:48,942 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 74.8MB in the end (delta: 195.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.04ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 80.4MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.40ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.0MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.73ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 78.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1041.68ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 47.9MB in the end (delta: 30.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: call #t~mem3 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_front~0, 4);~i~0 := #t~mem3;havoc #t~mem3;#t~post4 := ~q1_front~0;assume 1 + #t~post4 >= -2147483648;assume 1 + #t~post4 <= 2147483647;~q1_front~0 := 1 + #t~post4;havoc #t~post4;). 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: call #t~mem3 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_front~0, 4);~i~0 := #t~mem3;havoc #t~mem3;#t~post4 := ~q1_front~0;assume 1 + #t~post4 >= -2147483648;assume 1 + #t~post4 <= 2147483647;~q1_front~0 := 1 + #t~post4;havoc #t~post4;). 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. [2024-11-13 21:15:48,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/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_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm --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 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:15:51,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:15:52,050 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-13 21:15:52,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:15:52,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:15:52,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:15:52,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:15:52,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:15:52,136 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:15:52,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:15:52,136 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:15:52,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:15:52,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:15:52,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:15:52,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:15:52,137 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:15:52,137 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:15:52,137 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:15:52,137 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:15:52,137 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:15:52,139 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:15:52,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:15:52,140 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:15:52,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:15:52,140 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:15:52,140 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:15:52,140 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:15:52,140 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:15:52,140 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:52,140 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:15:52,141 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:15:52,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:52,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:15:52,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:15:52,142 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:15:52,142 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:15:52,146 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:15:52,147 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:15:52,147 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_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm 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 -> 2b29a4c23931df07495caab7fd70ec22fec28fcea21b47e1c8eb19fb44a778d8 [2024-11-13 21:15:52,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:15:52,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:15:52,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:15:52,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:15:52,493 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:15:52,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/weaver/popl20-two-queue.wvr.c Unable to find full path for "g++" [2024-11-13 21:15:54,658 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:15:54,997 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:15:54,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/sv-benchmarks/c/weaver/popl20-two-queue.wvr.c [2024-11-13 21:15:55,017 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/data/6541bea4f/71567c50b8d8463f94956350a255f5cc/FLAGe6f51f6e0 [2024-11-13 21:15:55,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/data/6541bea4f/71567c50b8d8463f94956350a255f5cc [2024-11-13 21:15:55,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:15:55,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:15:55,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:55,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:15:55,061 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:15:55,062 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@715c55ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55, skipping insertion in model container [2024-11-13 21:15:55,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:15:55,306 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-13 21:15:55,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:55,333 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:15:55,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:15:55,397 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:15:55,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55 WrapperNode [2024-11-13 21:15:55,398 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:15:55,399 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:55,399 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:15:55,399 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:15:55,406 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,417 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,432 INFO L138 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 21:15:55,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:15:55,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:15:55,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:15:55,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:15:55,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,444 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,456 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,458 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,459 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:15:55,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:15:55,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:15:55,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:15:55,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:15:55" (1/1) ... [2024-11-13 21:15:55,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:15:55,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:15:55,499 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:15:55,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:15:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:15:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-13 21:15:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-13 21:15:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-13 21:15:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-13 21:15:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:15:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:15:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:15:55,524 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-13 21:15:55,524 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-13 21:15:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:15:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:15:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:15:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 21:15:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:15:55,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:15:55,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 21:15:55,526 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 21:15:55,639 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:15:55,641 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:15:56,005 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 21:15:56,008 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:15:56,163 WARN L1754 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-13 21:15:56,214 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: call #t~mem3 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_front~0)), 4bv32);~i~0 := #t~mem3;havoc #t~mem3;#t~post4 := ~q1_front~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)), 2147483647bv33);~q1_front~0 := ~bvadd~32(1bv32, #t~post4);havoc #t~post4;). 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:303) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 21:15:56,219 INFO L158 Benchmark]: Toolchain (without parser) took 1165.67ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 87.9MB in the end (delta: 4.7MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2024-11-13 21:15:56,219 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:56,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.98ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:56,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.72ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:15:56,220 INFO L158 Benchmark]: Boogie Preprocessor took 29.43ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 21:15:56,221 INFO L158 Benchmark]: RCFGBuilder took 754.27ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 87.9MB in the end (delta: -10.7MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-13 21:15:56,227 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.98ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.8MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.72ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.43ms. Allocated memory is still 117.4MB. Free memory was 78.6MB in the beginning and 77.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 754.27ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 87.9MB in the end (delta: -10.7MB). Peak memory consumption was 37.6MB. 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: call #t~mem3 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_front~0)), 4bv32);~i~0 := #t~mem3;havoc #t~mem3;#t~post4 := ~q1_front~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)), 2147483647bv33);~q1_front~0 := ~bvadd~32(1bv32, #t~post4);havoc #t~post4;). 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: call #t~mem3 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_front~0)), 4bv32);~i~0 := #t~mem3;havoc #t~mem3;#t~post4 := ~q1_front~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)), 2147483647bv33);~q1_front~0 := ~bvadd~32(1bv32, #t~post4);havoc #t~post4;). 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. [2024-11-13 21:15:56,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82b10d72-bbce-4cfa-9437-3bff5890e98e/bin/ukojak-verify-EEHR8qb7sm/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: call #t~mem3 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_front~0)), 4bv32);~i~0 := #t~mem3;havoc #t~mem3;#t~post4 := ~q1_front~0;assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)));assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post4)), 2147483647bv33);~q1_front~0 := ~bvadd~32(1bv32, #t~post4);havoc #t~post4;). Is there illegal control flow (e.g. loops) within an atomic block?