./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:25:12,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:25:12,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:25:12,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:25:12,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:25:12,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:25:12,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:25:12,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:25:12,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:25:12,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:25:12,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:25:12,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:25:12,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:25:12,437 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:25:12,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:25:12,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:25:12,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:25:12,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:25:12,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:25:12,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:25:12,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:25:12,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:25:12,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:25:12,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:25:12,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:25:12,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:25:12,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:25:12,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:25:12,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:25:12,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:25:12,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:25:12,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:25:12,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:25:12,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:25:12,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:25:12,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:25:12,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:25:12,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:25:12,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:25:12,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:25:12,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:25:12,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:25:12,480 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:25:12,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:25:12,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:25:12,482 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:25:12,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:25:12,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:25:12,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:25:12,483 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:25:12,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:25:12,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:25:12,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:25:12,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:25:12,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:25:12,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:25:12,484 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:25:12,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:25:12,484 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:25:12,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:25:12,484 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:25:12,484 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:25:12,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:25:12,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:25:12,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:25:12,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:25:12,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:25:12,485 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:25:12,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:25:12,485 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:25:12,485 INFO L138 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_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 [2022-12-14 20:25:12,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:25:12,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:25:12,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:25:12,681 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:25:12,681 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:25:12,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-12-14 20:25:15,172 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:25:15,336 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:25:15,337 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-12-14 20:25:15,342 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/data/5693f1923/8d862e9dbc054efd9c49574699050d40/FLAG847534d28 [2022-12-14 20:25:15,759 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/data/5693f1923/8d862e9dbc054efd9c49574699050d40 [2022-12-14 20:25:15,761 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:25:15,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:25:15,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:25:15,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:25:15,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:25:15,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:15,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20256e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15, skipping insertion in model container [2022-12-14 20:25:15,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:15,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:25:15,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:25:15,890 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,891 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,894 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,898 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,899 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,900 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,901 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,902 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,903 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,904 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,905 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,913 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-14 20:25:15,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:25:15,927 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:25:15,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,936 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,937 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,938 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,939 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,940 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,941 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,942 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,943 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,944 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,944 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:15,945 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:15,950 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-14 20:25:15,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:25:15,963 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:25:15,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15 WrapperNode [2022-12-14 20:25:15,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:25:15,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:25:15,964 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:25:15,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:25:15,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:15,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:15,992 INFO L138 Inliner]: procedures = 26, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 118 [2022-12-14 20:25:15,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:25:15,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:25:15,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:25:15,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:25:15,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:16,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:16,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:16,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:16,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:16,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:16,012 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:16,013 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:16,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:25:16,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:25:16,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:25:16,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:25:16,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:15" (1/1) ... [2022-12-14 20:25:16,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:25:16,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:25:16,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:25:16,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:25:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:25:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:25:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:25:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-12-14 20:25:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-12-14 20:25:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:25:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 20:25:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 20:25:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 20:25:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 20:25:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 20:25:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 20:25:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-14 20:25:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-14 20:25:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:25:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:25:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:25:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-12-14 20:25:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-12-14 20:25:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 20:25:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 20:25:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:25:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:25:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:25:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:25:16,079 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:25:16,173 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:25:16,175 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:25:16,456 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:25:16,560 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:25:16,561 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 20:25:16,561 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2022-12-14 20:25:16,562 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 20:25:16,566 INFO L158 Benchmark]: Toolchain (without parser) took 803.01ms. Allocated memory is still 148.9MB. Free memory was 116.3MB in the beginning and 66.0MB in the end (delta: 50.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2022-12-14 20:25:16,567 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory was 122.6MB in the beginning and 122.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:25:16,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.57ms. Allocated memory is still 148.9MB. Free memory was 116.3MB in the beginning and 101.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 20:25:16,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.76ms. Allocated memory is still 148.9MB. Free memory was 100.6MB in the beginning and 99.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:25:16,569 INFO L158 Benchmark]: Boogie Preprocessor took 23.37ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:25:16,570 INFO L158 Benchmark]: RCFGBuilder took 548.34ms. Allocated memory is still 148.9MB. Free memory was 96.9MB in the beginning and 66.0MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 20:25:16,572 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory was 122.6MB in the beginning and 122.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.57ms. Allocated memory is still 148.9MB. Free memory was 116.3MB in the beginning and 101.1MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.76ms. Allocated memory is still 148.9MB. Free memory was 100.6MB in the beginning and 99.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.37ms. Allocated memory is still 148.9MB. Free memory was 99.0MB in the beginning and 96.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 548.34ms. Allocated memory is still 148.9MB. Free memory was 96.9MB in the beginning and 66.0MB in the end (delta: 30.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:25:16,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:25:18,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:25:18,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:25:18,145 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:25:18,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:25:18,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:25:18,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:25:18,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:25:18,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:25:18,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:25:18,150 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:25:18,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:25:18,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:25:18,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:25:18,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:25:18,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:25:18,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:25:18,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:25:18,155 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:25:18,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:25:18,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:25:18,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:25:18,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:25:18,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:25:18,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:25:18,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:25:18,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:25:18,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:25:18,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:25:18,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:25:18,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:25:18,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:25:18,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:25:18,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:25:18,175 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:25:18,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:25:18,176 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:25:18,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:25:18,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:25:18,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:25:18,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:25:18,178 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 20:25:18,194 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:25:18,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:25:18,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:25:18,195 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:25:18,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:25:18,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:25:18,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:25:18,196 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:25:18,197 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:25:18,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:25:18,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:25:18,197 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:25:18,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:25:18,197 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:25:18,198 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:25:18,198 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:25:18,198 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:25:18,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:25:18,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:25:18,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:25:18,199 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:25:18,199 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:25:18,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:25:18,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:25:18,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:25:18,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:25:18,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:25:18,200 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:25:18,200 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:25:18,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:25:18,200 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:25:18,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:25:18,201 INFO L138 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_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2150e0b957073117139b89f4d79d7a8523050efb20e53a1bf0b405c120dd6a7 [2022-12-14 20:25:18,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:25:18,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:25:18,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:25:18,426 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:25:18,426 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:25:18,427 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-12-14 20:25:21,061 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:25:21,236 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:25:21,236 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c [2022-12-14 20:25:21,241 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/data/c25442031/953059e8291e40f595bc0753b4ff808b/FLAGa11c416cd [2022-12-14 20:25:21,252 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/data/c25442031/953059e8291e40f595bc0753b4ff808b [2022-12-14 20:25:21,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:25:21,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:25:21,255 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:25:21,255 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:25:21,258 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:25:21,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d94ac0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21, skipping insertion in model container [2022-12-14 20:25:21,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:25:21,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:25:21,392 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,393 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,394 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,396 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,397 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,398 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,401 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,402 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,403 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,405 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,405 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,406 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,407 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,408 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,408 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,410 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,410 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,411 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,412 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,414 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,416 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,417 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-14 20:25:21,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:25:21,452 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-14 20:25:21,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:25:21,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,462 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,463 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,464 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,465 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,466 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,466 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,467 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,468 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,468 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,469 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,469 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,470 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,470 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,472 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,473 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,474 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,475 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,476 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,477 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-14 20:25:21,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:25:21,491 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:25:21,502 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,507 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,507 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 20:25:21,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 20:25:21,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/sv-benchmarks/c/weaver/popl20-bad-buffer-mult-alt2.wvr.c[4174,4187] [2022-12-14 20:25:21,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:25:21,535 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:25:21,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21 WrapperNode [2022-12-14 20:25:21,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:25:21,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:25:21,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:25:21,537 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:25:21,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,557 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,572 INFO L138 Inliner]: procedures = 28, calls = 75, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 109 [2022-12-14 20:25:21,572 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:25:21,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:25:21,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:25:21,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:25:21,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,594 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:25:21,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:25:21,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:25:21,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:25:21,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:25:21" (1/1) ... [2022-12-14 20:25:21,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:25:21,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:25:21,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:25:21,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:25:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:25:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 20:25:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:25:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2022-12-14 20:25:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2022-12-14 20:25:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 20:25:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 20:25:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 20:25:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 20:25:21,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 20:25:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 20:25:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 20:25:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-14 20:25:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-14 20:25:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:25:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:25:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure plus [2022-12-14 20:25:21,659 INFO L138 BoogieDeclarations]: Found implementation of procedure plus [2022-12-14 20:25:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 20:25:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 20:25:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 20:25:21,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:25:21,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:25:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:25:21,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 20:25:21,661 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:25:21,751 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:25:21,753 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:25:22,094 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:25:22,199 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:25:22,199 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-12-14 20:25:22,199 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: L53-4 is neither atomic block end nor a sink node. [2022-12-14 20:25:22,200 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 20:25:22,203 INFO L158 Benchmark]: Toolchain (without parser) took 947.93ms. Allocated memory is still 86.0MB. Free memory was 64.6MB in the beginning and 46.0MB in the end (delta: 18.6MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-12-14 20:25:22,203 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:25:22,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.92ms. Allocated memory is still 86.0MB. Free memory was 64.6MB in the beginning and 66.6MB in the end (delta: -2.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2022-12-14 20:25:22,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.15ms. Allocated memory is still 86.0MB. Free memory was 66.6MB in the beginning and 64.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:25:22,204 INFO L158 Benchmark]: Boogie Preprocessor took 25.30ms. Allocated memory is still 86.0MB. Free memory was 64.8MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:25:22,205 INFO L158 Benchmark]: RCFGBuilder took 603.59ms. Allocated memory is still 86.0MB. Free memory was 62.4MB in the beginning and 46.0MB in the end (delta: 16.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2022-12-14 20:25:22,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory was 43.6MB in the beginning and 43.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.92ms. Allocated memory is still 86.0MB. Free memory was 64.6MB in the beginning and 66.6MB in the end (delta: -2.0MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.15ms. Allocated memory is still 86.0MB. Free memory was 66.6MB in the beginning and 64.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.30ms. Allocated memory is still 86.0MB. Free memory was 64.8MB in the beginning and 62.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.59ms. Allocated memory is still 86.0MB. Free memory was 62.4MB in the beginning and 46.0MB in the end (delta: 16.4MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:25:22,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0d2102d-b8d0-4bc4-9139-976fa3f8dea0/bin/ukojak-rkRKPMF4O4/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?