./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2 --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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:28,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:28,515 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:48:28,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:48:28,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:48:28,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:28,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:28,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:28,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:28,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:28,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:28,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:28,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:28,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:48:28,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:28,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:28,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:28,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:28,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:28,557 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:28,557 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:28,558 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:28,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:28,559 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:28,560 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:28,560 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:28,561 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:28,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:28,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:28,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:28,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:28,563 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:28,563 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:48:28,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:48:28,564 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:28,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2023-11-21 18:48:28,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:28,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:28,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:28,956 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:28,956 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:28,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-21 18:48:32,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:32,381 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:32,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-21 18:48:32,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/data/c3378fe7c/b471bc79dfb9461c97da77e6090df0c3/FLAG9d7d0b3fe [2023-11-21 18:48:32,406 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/data/c3378fe7c/b471bc79dfb9461c97da77e6090df0c3 [2023-11-21 18:48:32,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:32,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:32,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:32,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:32,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:32,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730e028d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32, skipping insertion in model container [2023-11-21 18:48:32,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,449 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:32,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:32,697 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:32,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:32,773 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:32,773 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:32,781 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:32,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32 WrapperNode [2023-11-21 18:48:32,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:32,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:32,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:32,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:32,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,826 INFO L138 Inliner]: procedures = 27, calls = 88, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 115 [2023-11-21 18:48:32,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:32,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:32,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:32,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:32,837 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,855 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,862 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:32,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:32,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:32,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:32,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:32" (1/1) ... [2023-11-21 18:48:32,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:32,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:32,914 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:32,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:48:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:48:32,966 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-21 18:48:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-21 18:48:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:48:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:48:32,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:48:32,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:48:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:48:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:48:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:48:32,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:48:32,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:48:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:48:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:48:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:48:32,969 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:48:32,969 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:48:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:48:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:48:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:48:32,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:32,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:32,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:32,973 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:48:33,113 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:33,115 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:33,594 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:33,893 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:48:33,898 INFO L158 Benchmark]: Toolchain (without parser) took 1486.01ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 76.4MB in the beginning and 92.8MB in the end (delta: -16.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:48:33,899 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory was 102.7MB in the beginning and 102.7MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:48:33,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.63ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 76.1MB in the beginning and 142.1MB in the end (delta: -66.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:48:33,901 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.86ms. Allocated memory is still 172.0MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:33,903 INFO L158 Benchmark]: Boogie Preprocessor took 41.78ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 137.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:33,904 INFO L158 Benchmark]: RCFGBuilder took 1025.86ms. Allocated memory is still 172.0MB. Free memory was 137.9MB in the beginning and 92.8MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:33,914 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory was 102.7MB in the beginning and 102.7MB in the end (delta: 31.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.63ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 76.1MB in the beginning and 142.1MB in the end (delta: -66.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.86ms. Allocated memory is still 172.0MB. Free memory was 142.1MB in the beginning and 140.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.78ms. Allocated memory is still 172.0MB. Free memory was 140.0MB in the beginning and 137.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1025.86ms. Allocated memory is still 172.0MB. Free memory was 137.9MB in the beginning and 92.8MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:48:33,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2 --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 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:36,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:36,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:48:36,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:36,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:36,930 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:36,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:36,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:36,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:36,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:36,939 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:48:36,939 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:48:36,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:36,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:36,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:36,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:36,943 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:48:36,943 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:48:36,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:36,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:48:36,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:36,946 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:48:36,946 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:36,947 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:36,947 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:36,948 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:36,948 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:36,949 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:48:36,949 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:48:36,950 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:36,951 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:36,951 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:36,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:36,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:36,952 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:48:36,953 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:48:36,953 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:36,953 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:48:36,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:48:36,954 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8dbd267b0e0821e8d358e8d234024d8e484ea32431972ed8b70b87052179a50c [2023-11-21 18:48:37,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:37,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:37,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:37,425 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:37,425 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:37,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-21 18:48:40,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:41,041 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:41,041 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/sv-benchmarks/c/weaver/popl20-more-buffer-series.wvr.c [2023-11-21 18:48:41,051 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/data/5f863ad52/43a4096cc47a4afab2a4965dd9bb0d93/FLAG476e6ede4 [2023-11-21 18:48:41,065 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/data/5f863ad52/43a4096cc47a4afab2a4965dd9bb0d93 [2023-11-21 18:48:41,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:41,070 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:41,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:41,072 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:41,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:41,078 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aacd258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41, skipping insertion in model container [2023-11-21 18:48:41,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:41,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:41,351 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-21 18:48:41,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:41,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:41,408 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:41,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:41,496 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:41,497 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:41,505 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:41,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41 WrapperNode [2023-11-21 18:48:41,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:41,507 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:41,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:41,508 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:41,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,572 INFO L138 Inliner]: procedures = 29, calls = 88, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 110 [2023-11-21 18:48:41,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:41,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:41,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:41,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:41,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,617 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:41,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:41,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:41,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:41,624 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:41" (1/1) ... [2023-11-21 18:48:41,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:41,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:41,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:41,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:48:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:48:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-21 18:48:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-21 18:48:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:48:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-21 18:48:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-21 18:48:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-21 18:48:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-21 18:48:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-21 18:48:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-21 18:48:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-21 18:48:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-21 18:48:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:48:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:48:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-21 18:48:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-21 18:48:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:48:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:48:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 18:48:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:48:41,732 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:48:41,909 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:41,912 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:42,465 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:42,731 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:48:42,738 INFO L158 Benchmark]: Toolchain (without parser) took 1667.16ms. Allocated memory is still 96.5MB. Free memory was 72.6MB in the beginning and 57.3MB in the end (delta: 15.2MB). Peak memory consumption was 40.5MB. Max. memory is 16.1GB. [2023-11-21 18:48:42,739 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:48:42,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.93ms. Allocated memory is still 96.5MB. Free memory was 72.3MB in the beginning and 56.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:48:42,740 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.58ms. Allocated memory is still 96.5MB. Free memory was 56.1MB in the beginning and 54.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:42,741 INFO L158 Benchmark]: Boogie Preprocessor took 48.99ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 51.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:48:42,742 INFO L158 Benchmark]: RCFGBuilder took 1112.80ms. Allocated memory is still 96.5MB. Free memory was 51.7MB in the beginning and 57.3MB in the end (delta: -5.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-11-21 18:48:42,746 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.93ms. Allocated memory is still 96.5MB. Free memory was 72.3MB in the beginning and 56.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.58ms. Allocated memory is still 96.5MB. Free memory was 56.1MB in the beginning and 54.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.99ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 51.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1112.80ms. Allocated memory is still 96.5MB. Free memory was 51.7MB in the beginning and 57.3MB in the end (delta: -5.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:48:42,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b092ab-39e9-447f-b6f8-78bd3ebd5d33/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?