./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/spaghetti.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/spaghetti.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e50ae1d6af13c623583d6a2f949e9597ecd4d402771d52399b9fc659c58a3d1 --- 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 15:09:16,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 15:09:16,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 15:09:16,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 15:09:16,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 15:09:16,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 15:09:16,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 15:09:16,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 15:09:16,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 15:09:16,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 15:09:16,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 15:09:16,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 15:09:16,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 15:09:16,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 15:09:16,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 15:09:16,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 15:09:16,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 15:09:16,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 15:09:16,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 15:09:16,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 15:09:16,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 15:09:16,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 15:09:16,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 15:09:16,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 15:09:16,400 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 15:09:16,401 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 15:09:16,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 15:09:16,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 15:09:16,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 15:09:16,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 15:09:16,404 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 15:09:16,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 15:09:16,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 15:09:16,406 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 15:09:16,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 15:09:16,407 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 15:09:16,408 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 15:09:16,408 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 15:09:16,408 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 15:09:16,409 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 15:09:16,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 15:09:16,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 15:09:16,438 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 15:09:16,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 15:09:16,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 15:09:16,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 15:09:16,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 15:09:16,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 15:09:16,439 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 15:09:16,439 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 15:09:16,440 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 15:09:16,440 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 15:09:16,440 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 15:09:16,440 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 15:09:16,440 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 15:09:16,440 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 15:09:16,441 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 15:09:16,441 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 15:09:16,441 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 15:09:16,441 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 15:09:16,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 15:09:16,442 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 15:09:16,442 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 15:09:16,442 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 15:09:16,442 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 15:09:16,442 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 15:09:16,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 15:09:16,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 15:09:16,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 15:09:16,443 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 15:09:16,443 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 15:09:16,443 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 15:09:16,444 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 15:09:16,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 15:09:16,444 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 15:09:16,444 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 15:09:16,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:09:16,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 15:09:16,445 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 15:09:16,445 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 15:09:16,445 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 15:09:16,445 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 15:09:16,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 15:09:16,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 15:09:16,446 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 15:09:16,446 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_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e50ae1d6af13c623583d6a2f949e9597ecd4d402771d52399b9fc659c58a3d1 [2022-12-14 15:09:16,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 15:09:16,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 15:09:16,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 15:09:16,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 15:09:16,666 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 15:09:16,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/weaver/spaghetti.wvr.c [2022-12-14 15:09:19,292 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 15:09:19,443 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 15:09:19,444 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/sv-benchmarks/c/weaver/spaghetti.wvr.c [2022-12-14 15:09:19,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/data/95ad7e0e3/b33c69cd5c1848a4a61feefeac1a7c21/FLAGecd27626b [2022-12-14 15:09:19,863 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/data/95ad7e0e3/b33c69cd5c1848a4a61feefeac1a7c21 [2022-12-14 15:09:19,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 15:09:19,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 15:09:19,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 15:09:19,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 15:09:19,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 15:09:19,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:09:19" (1/1) ... [2022-12-14 15:09:19,870 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c5ce76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:19, skipping insertion in model container [2022-12-14 15:09:19,870 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 03:09:19" (1/1) ... [2022-12-14 15:09:19,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 15:09:19,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 15:09:19,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:19,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:19,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:19,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:19,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:19,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:19,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:19,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:19,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,000 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,000 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,000 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,002 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,005 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,006 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,009 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,017 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_f25c187a-8493-4489-a67d-51b7f358c875/sv-benchmarks/c/weaver/spaghetti.wvr.c[3221,3234] [2022-12-14 15:09:20,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:09:20,027 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 15:09:20,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,037 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,038 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,039 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,040 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,044 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,046 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 15:09:20,047 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 15:09:20,052 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_f25c187a-8493-4489-a67d-51b7f358c875/sv-benchmarks/c/weaver/spaghetti.wvr.c[3221,3234] [2022-12-14 15:09:20,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 15:09:20,064 INFO L208 MainTranslator]: Completed translation [2022-12-14 15:09:20,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20 WrapperNode [2022-12-14 15:09:20,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 15:09:20,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 15:09:20,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 15:09:20,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 15:09:20,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,096 INFO L138 Inliner]: procedures = 23, calls = 59, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2022-12-14 15:09:20,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 15:09:20,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 15:09:20,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 15:09:20,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 15:09:20,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,117 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 15:09:20,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 15:09:20,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 15:09:20,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 15:09:20,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (1/1) ... [2022-12-14 15:09:20,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 15:09:20,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 15:09:20,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 15:09:20,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 15:09:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 15:09:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-14 15:09:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-14 15:09:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-14 15:09:20,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-14 15:09:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-14 15:09:20,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-14 15:09:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-14 15:09:20,190 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-14 15:09:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 15:09:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 15:09:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 15:09:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 15:09:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 15:09:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 15:09:20,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 15:09:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 15:09:20,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 15:09:20,192 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 15:09:20,272 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 15:09:20,273 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 15:09:20,442 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 15:09:20,456 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 15:09:20,456 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-14 15:09:20,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:09:20 BoogieIcfgContainer [2022-12-14 15:09:20,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 15:09:20,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 15:09:20,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 15:09:20,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 15:09:20,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 03:09:19" (1/3) ... [2022-12-14 15:09:20,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcfa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:09:20, skipping insertion in model container [2022-12-14 15:09:20,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 03:09:20" (2/3) ... [2022-12-14 15:09:20,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcfa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 03:09:20, skipping insertion in model container [2022-12-14 15:09:20,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:09:20" (3/3) ... [2022-12-14 15:09:20,467 INFO L112 eAbstractionObserver]: Analyzing ICFG spaghetti.wvr.c [2022-12-14 15:09:20,476 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 15:09:20,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 15:09:20,486 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-12-14 15:09:20,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fcfa496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 03:09:20, skipping insertion in model container [2022-12-14 15:09:20,487 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 15:09:20,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 15:09:20,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 15:09:20,488 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 15:09:20,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 03:09:20" (3/3) ... [2022-12-14 15:09:20,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 15:09:20,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2022-12-14 15:09:20,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2022-12-14 15:09:20,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2022-12-14 15:09:20,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread4 [2022-12-14 15:09:20,498 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 15:09:20,498 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 15:09:20,498 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 15:09:20,499 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 15:09:20,525 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 15:09:20,525 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 15:09:20,526 INFO L158 Benchmark]: Toolchain (without parser) took 660.27ms. Allocated memory is still 125.8MB. Free memory was 91.9MB in the beginning and 53.9MB in the end (delta: 38.0MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2022-12-14 15:09:20,526 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:09:20,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.13ms. Allocated memory is still 125.8MB. Free memory was 91.6MB in the beginning and 77.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 15:09:20,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.97ms. Allocated memory is still 125.8MB. Free memory was 77.3MB in the beginning and 75.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 15:09:20,528 INFO L158 Benchmark]: Boogie Preprocessor took 23.54ms. Allocated memory is still 125.8MB. Free memory was 75.6MB in the beginning and 74.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:09:20,528 INFO L158 Benchmark]: RCFGBuilder took 336.79ms. Allocated memory is still 125.8MB. Free memory was 74.3MB in the beginning and 59.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 15:09:20,528 INFO L158 Benchmark]: TraceAbstraction took 26.09ms. Allocated memory is still 125.8MB. Free memory was 58.9MB in the beginning and 56.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 15:09:20,529 INFO L158 Benchmark]: Witness Printer took 37.45ms. Allocated memory is still 125.8MB. Free memory was 56.6MB in the beginning and 53.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 15:09:20,530 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.13ms. Allocated memory is still 125.8MB. Free memory was 91.6MB in the beginning and 77.3MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.97ms. Allocated memory is still 125.8MB. Free memory was 77.3MB in the beginning and 75.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.54ms. Allocated memory is still 125.8MB. Free memory was 75.6MB in the beginning and 74.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 336.79ms. Allocated memory is still 125.8MB. Free memory was 74.3MB in the beginning and 59.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 26.09ms. Allocated memory is still 125.8MB. Free memory was 58.9MB in the beginning and 56.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 37.45ms. Allocated memory is still 125.8MB. Free memory was 56.6MB in the beginning and 53.9MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-12-14 15:09:20,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f25c187a-8493-4489-a67d-51b7f358c875/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: TRUE