./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/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_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3bbcbfea07b4de27a61735028fd08097276598be4815bd7ea5f14ba44ebf2380 --- 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 05:27:10,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:27:10,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:27:10,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:27:10,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:27:10,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:27:10,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:27:10,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:27:10,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:27:10,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:27:10,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:27:10,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:27:10,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:27:10,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:27:10,951 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:27:10,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:27:10,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:27:10,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:27:10,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:27:10,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:27:10,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:27:10,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:27:10,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:27:10,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:27:10,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:27:10,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:27:10,964 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:27:10,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:27:10,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:27:10,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:27:10,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:27:10,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:27:10,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:27:10,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:27:10,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:27:10,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:27:10,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:27:10,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:27:10,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:27:10,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:27:10,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:27:10,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-12-14 05:27:10,984 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:27:10,984 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:27:10,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:27:10,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:27:10,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:27:10,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:27:10,985 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:27:10,985 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:27:10,985 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:27:10,985 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:27:10,985 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:27:10,985 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:27:10,986 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:27:10,986 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:27:10,986 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:27:10,986 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:27:10,986 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:27:10,986 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:27:10,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:27:10,987 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:27:10,988 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:27:10,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:27:10,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:27:10,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:27:10,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:27:10,988 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:27:10,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:27:10,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:27:10,988 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:27:10,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:27:10,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:27:10,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:27:10,989 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_5e491500-b4ab-4451-962f-b758580cdbb0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3bbcbfea07b4de27a61735028fd08097276598be4815bd7ea5f14ba44ebf2380 [2022-12-14 05:27:11,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:27:11,173 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:27:11,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:27:11,175 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:27:11,176 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:27:11,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i [2022-12-14 05:27:13,717 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:27:13,907 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:27:13,907 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i [2022-12-14 05:27:13,916 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/data/ea5615853/24f33e88d85648f48a6ea2b4624d5ea3/FLAGfe55e7d20 [2022-12-14 05:27:14,310 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/data/ea5615853/24f33e88d85648f48a6ea2b4624d5ea3 [2022-12-14 05:27:14,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:27:14,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:27:14,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:27:14,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:27:14,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:27:14,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d4d3b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14, skipping insertion in model container [2022-12-14 05:27:14,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:27:14,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:27:14,480 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_5e491500-b4ab-4451-962f-b758580cdbb0/sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i[999,1012] [2022-12-14 05:27:14,564 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,568 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,583 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,587 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,587 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,587 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,588 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,598 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,598 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,598 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:27:14,617 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:27:14,625 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_5e491500-b4ab-4451-962f-b758580cdbb0/sv-benchmarks/c/pthread-wmm/mix025_pso.opt_rmo.opt.i[999,1012] [2022-12-14 05:27:14,642 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,642 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,642 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,651 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,652 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,653 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,655 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,660 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-14 05:27:14,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-14 05:27:14,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:27:14,694 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:27:14,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14 WrapperNode [2022-12-14 05:27:14,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:27:14,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:27:14,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:27:14,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:27:14,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,739 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 489 [2022-12-14 05:27:14,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:27:14,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:27:14,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:27:14,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:27:14,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,767 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:27:14,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:27:14,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:27:14,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:27:14,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (1/1) ... [2022-12-14 05:27:14,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:27:14,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:27:14,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:27:14,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e491500-b4ab-4451-962f-b758580cdbb0/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:27:14,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:27:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-14 05:27:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:27:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:27:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:27:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-14 05:27:14,839 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-14 05:27:14,839 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-14 05:27:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-14 05:27:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-14 05:27:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-14 05:27:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:27:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-14 05:27:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:27:14,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:27:14,842 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 05:27:14,982 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:27:14,984 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:27:15,848 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:27:57,551 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:27:57,551 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 05:27:57,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:27:57 BoogieIcfgContainer [2022-12-14 05:27:57,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:27:57,556 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:27:57,556 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:27:57,559 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:27:57,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:27:14" (1/3) ... [2022-12-14 05:27:57,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f60596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:27:57, skipping insertion in model container [2022-12-14 05:27:57,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:27:14" (2/3) ... [2022-12-14 05:27:57,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f60596 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:27:57, skipping insertion in model container [2022-12-14 05:27:57,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:27:57" (3/3) ... [2022-12-14 05:27:57,562 INFO L112 eAbstractionObserver]: Analyzing ICFG mix025_pso.opt_rmo.opt.i [2022-12-14 05:27:57,570 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-12-14 05:27:57,578 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:27:57,578 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 219 error locations. [2022-12-14 05:27:57,579 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-14 05:28:02,357 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-14 05:28:02,382 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-14 05:28:02,392 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 345 places, 337 transitions, 689 flow [2022-12-14 05:28:02,395 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 345 places, 337 transitions, 689 flow [2022-12-14 05:28:02,396 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 345 places, 337 transitions, 689 flow [2022-12-14 05:28:04,848 INFO L130 PetriNetUnfolder]: 2/334 cut-off events. [2022-12-14 05:28:04,849 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-14 05:28:04,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 344 conditions, 334 events. 2/334 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 1749 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 294. Up to 2 conditions per place. [2022-12-14 05:28:04,869 INFO L119 LiptonReduction]: Number of co-enabled transitions 58658 [2022-12-14 05:30:35,831 WARN L233 SmtUtils]: Spent 9.40s on a formula simplification. DAG size of input: 2439 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:30:45,779 WARN L233 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 1933 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:30:53,064 WARN L233 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 2465 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:31:03,805 WARN L233 SmtUtils]: Spent 10.65s on a formula simplification. DAG size of input: 2583 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:31:13,942 WARN L233 SmtUtils]: Spent 10.10s on a formula simplification. DAG size of input: 2562 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:31:21,231 WARN L233 SmtUtils]: Spent 7.25s on a formula simplification. DAG size of input: 2562 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:31:42,708 WARN L233 SmtUtils]: Spent 12.02s on a formula simplification. DAG size of input: 2763 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:32:12,274 WARN L233 SmtUtils]: Spent 29.27s on a formula simplification. DAG size of input: 4644 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:32:37,084 WARN L233 SmtUtils]: Spent 24.76s on a formula simplification. DAG size of input: 4626 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:33:04,388 WARN L233 SmtUtils]: Spent 27.27s on a formula simplification. DAG size of input: 4626 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:33:17,051 WARN L233 SmtUtils]: Spent 6.75s on a formula simplification. DAG size of input: 2209 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:33:48,579 WARN L233 SmtUtils]: Spent 31.52s on a formula simplification. DAG size of input: 5003 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:34:07,487 WARN L233 SmtUtils]: Spent 18.88s on a formula simplification. DAG size of input: 4256 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:34:32,401 WARN L233 SmtUtils]: Spent 24.88s on a formula simplification. DAG size of input: 4256 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:34:46,531 WARN L233 SmtUtils]: Spent 7.98s on a formula simplification. DAG size of input: 2255 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:35:19,297 WARN L233 SmtUtils]: Spent 32.75s on a formula simplification. DAG size of input: 5080 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:35:40,741 WARN L233 SmtUtils]: Spent 21.41s on a formula simplification. DAG size of input: 4256 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:36:11,130 WARN L233 SmtUtils]: Spent 30.35s on a formula simplification. DAG size of input: 5011 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:36:45,654 WARN L233 SmtUtils]: Spent 34.48s on a formula simplification. DAG size of input: 5013 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:37:21,696 WARN L233 SmtUtils]: Spent 35.93s on a formula simplification. DAG size of input: 5235 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:37:49,985 WARN L233 SmtUtils]: Spent 15.35s on a formula simplification. DAG size of input: 3671 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:38:39,196 WARN L233 SmtUtils]: Spent 49.20s on a formula simplification. DAG size of input: 6128 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-12-14 05:41:38,497 WARN L233 SmtUtils]: Spent 2.98m on a formula simplification. DAG size of input: 11021 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition)