./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi --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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:13,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:13,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:16:13,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:13,558 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:13,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:13,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:13,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:13,586 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:13,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:13,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:13,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:13,589 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:13,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:13,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:13,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:13,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:13,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:13,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:13,593 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:16:13,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:13,595 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:13,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:13,596 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:13,596 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:13,597 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:13,597 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:13,598 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:13,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:13,599 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:13,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:13,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:13,600 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:13,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:13,601 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:13,602 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_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-11-24 22:16:13,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:13,966 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:13,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:13,973 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:13,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:13,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-24 22:16:17,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:17,412 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:17,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-24 22:16:17,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/data/788df0280/95bed7b34251480db100b9e98acca90a/FLAG1960e1bcd [2023-11-24 22:16:17,445 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/data/788df0280/95bed7b34251480db100b9e98acca90a [2023-11-24 22:16:17,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:17,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:17,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:17,460 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:17,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:17,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f2ace4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17, skipping insertion in model container [2023-11-24 22:16:17,471 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:17,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:17,814 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:17,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:17,863 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:17,863 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:17,872 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:17,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17 WrapperNode [2023-11-24 22:16:17,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:17,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:17,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:17,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:17,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,894 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,921 INFO L138 Inliner]: procedures = 26, calls = 80, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 128 [2023-11-24 22:16:17,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:17,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:17,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:17,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:17,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,964 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,969 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:17,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:17,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:17,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:17,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:17" (1/1) ... [2023-11-24 22:16:17,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:17,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:18,007 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:18,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:18,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:16:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-24 22:16:18,047 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-24 22:16:18,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:16:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:16:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:16:18,048 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:16:18,048 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:16:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:16:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:16:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:16:18,049 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:16:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:16:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:16:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-24 22:16:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-24 22:16:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:16:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:16:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:16:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:18,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:18,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:18,053 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:16:18,179 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:18,181 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:18,750 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:18,975 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: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:16:18,983 INFO L158 Benchmark]: Toolchain (without parser) took 1526.95ms. Allocated memory was 180.4MB in the beginning and 239.1MB in the end (delta: 58.7MB). Free memory was 131.9MB in the beginning and 202.1MB in the end (delta: -70.1MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2023-11-24 22:16:18,984 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 180.4MB. Free memory was 150.0MB in the beginning and 149.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:18,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.23ms. Allocated memory is still 180.4MB. Free memory was 131.9MB in the beginning and 118.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:16:18,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.62ms. Allocated memory is still 180.4MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:18,988 INFO L158 Benchmark]: Boogie Preprocessor took 46.25ms. Allocated memory is still 180.4MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:18,989 INFO L158 Benchmark]: RCFGBuilder took 1011.54ms. Allocated memory was 180.4MB in the beginning and 239.1MB in the end (delta: 58.7MB). Free memory was 114.5MB in the beginning and 202.1MB in the end (delta: -87.5MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB. [2023-11-24 22:16:18,998 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 180.4MB. Free memory was 150.0MB in the beginning and 149.9MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.23ms. Allocated memory is still 180.4MB. Free memory was 131.9MB in the beginning and 118.7MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.62ms. Allocated memory is still 180.4MB. Free memory was 118.7MB in the beginning and 116.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.25ms. Allocated memory is still 180.4MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1011.54ms. Allocated memory was 180.4MB in the beginning and 239.1MB in the end (delta: 58.7MB). Free memory was 114.5MB in the beginning and 202.1MB in the end (delta: -87.5MB). Peak memory consumption was 54.3MB. 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: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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: #t~short2 := ~q1_back~0 >= 0 && ~q1_back~0 < ~n1~0;BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~int(~q1~0.base, ~q1~0.offset + 4 * ~q1_back~0, 4);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:16:19,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi --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 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:21,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:21,940 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:16:21,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:21,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:21,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:21,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:21,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:21,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:21,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:21,986 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:16:21,987 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:16:21,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:21,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:21,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:21,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:21,990 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:16:21,991 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:16:21,991 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:16:21,992 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:16:21,993 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:21,993 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:16:21,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:21,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:21,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:21,996 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:21,996 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:21,997 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:21,997 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:21,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:21,999 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:21,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:22,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:22,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:22,001 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:16:22,001 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:16:22,001 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:22,002 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:16:22,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:16:22,002 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_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e9e4bd6e9b16aa5f22ad2335ca34ba741869a12ab5a04a80108cf42ed170c0f [2023-11-24 22:16:22,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:22,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:22,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:22,518 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:22,519 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:22,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-24 22:16:25,753 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:25,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:25,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt.wvr.c [2023-11-24 22:16:25,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/data/b7bc9ef99/ea9154ebe38343ada734fd1eb207e2b1/FLAGdc8c6cde2 [2023-11-24 22:16:26,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/data/b7bc9ef99/ea9154ebe38343ada734fd1eb207e2b1 [2023-11-24 22:16:26,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:26,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:26,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:26,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:26,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:26,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@439920ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26, skipping insertion in model container [2023-11-24 22:16:26,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:26,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:26,301 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-11-24 22:16:26,307 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:26,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:26,386 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:26,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:26,441 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:26,441 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:26,450 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:26,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26 WrapperNode [2023-11-24 22:16:26,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:26,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:26,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:26,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:26,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,476 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,502 INFO L138 Inliner]: procedures = 28, calls = 80, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 119 [2023-11-24 22:16:26,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:26,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:26,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:26,504 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:26,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,522 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,537 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:26,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:26,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:26,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:26,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:26" (1/1) ... [2023-11-24 22:16:26,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:26,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:26,601 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:26,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:16:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:26,645 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-11-24 22:16:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-11-24 22:16:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:16:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 22:16:26,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 22:16:26,646 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 22:16:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 22:16:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 22:16:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 22:16:26,647 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 22:16:26,647 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 22:16:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:16:26,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:16:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2023-11-24 22:16:26,648 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2023-11-24 22:16:26,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:16:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:16:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:16:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:26,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:26,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:16:26,651 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:16:26,829 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:26,832 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:27,536 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:27,875 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: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:16:27,882 INFO L158 Benchmark]: Toolchain (without parser) took 1867.10ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 52.3MB in the end (delta: 18.0MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-24 22:16:27,883 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 35.0MB in the beginning and 34.9MB in the end (delta: 56.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:27,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 435.74ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 54.0MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:16:27,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.48ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 52.0MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:27,886 INFO L158 Benchmark]: Boogie Preprocessor took 51.07ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 49.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:16:27,887 INFO L158 Benchmark]: RCFGBuilder took 1324.97ms. Allocated memory is still 92.3MB. Free memory was 49.7MB in the beginning and 52.3MB in the end (delta: -2.6MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2023-11-24 22:16:27,896 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 58.7MB. Free memory was 35.0MB in the beginning and 34.9MB in the end (delta: 56.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 435.74ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 54.0MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.48ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 52.0MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.07ms. Allocated memory is still 92.3MB. Free memory was 52.0MB in the beginning and 49.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1324.97ms. Allocated memory is still 92.3MB. Free memory was 49.7MB in the beginning and 52.3MB in the end (delta: -2.6MB). Peak memory consumption was 18.8MB. 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: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:16:27,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad49ab84-83dc-4001-9d6b-76cc399b32ae/bin/ukojak-verify-afCqCEvfdi/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: #t~short2 := ~bvsge~32(~q1_back~0, 0bv32) && ~bvslt~32(~q1_back~0, ~n1~0);BeginParallelComposition{ParallelCodeBlock0: assume !#t~short2;ParallelCodeBlock1: assume #t~short2;call #t~mem1 := read~intINTTYPE4(~q1~0.base, ~bvadd~32(~q1~0.offset, ~bvmul~32(4bv32, ~q1_back~0)), 4bv32);#t~short2 := #t~mem1 == ~C~0;}EndParallelComposition). Is there illegal control flow (e.g. loops) within an atomic block?